JP2005537846A - Ctスキャナ用の散乱防止x線遮蔽 - Google Patents
Ctスキャナ用の散乱防止x線遮蔽 Download PDFInfo
- Publication number
- JP2005537846A JP2005537846A JP2004533795A JP2004533795A JP2005537846A JP 2005537846 A JP2005537846 A JP 2005537846A JP 2004533795 A JP2004533795 A JP 2004533795A JP 2004533795 A JP2004533795 A JP 2004533795A JP 2005537846 A JP2005537846 A JP 2005537846A
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- Prior art keywords
- foil
- detector
- scanner
- ray
- detectors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011888 foil Substances 0.000 claims abstract description 148
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000002591 computed tomography Methods 0.000 description 60
- 238000003491 array Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- 238000012856 packing Methods 0.000 description 1
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- 230000009257 reactivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
- A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pulmonology (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IL2002/000729 WO2004023123A1 (en) | 2002-09-04 | 2002-09-04 | Anti-scattering x-ray shielding for ct scanners |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005537846A true JP2005537846A (ja) | 2005-12-15 |
Family
ID=31972035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004533795A Pending JP2005537846A (ja) | 2002-09-04 | 2002-09-04 | Ctスキャナ用の散乱防止x線遮蔽 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7236560B2 (zh) |
EP (1) | EP1537407A1 (zh) |
JP (1) | JP2005537846A (zh) |
CN (1) | CN1672039A (zh) |
AU (1) | AU2002329029A1 (zh) |
WO (1) | WO2004023123A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007292597A (ja) * | 2006-04-25 | 2007-11-08 | Hitachi Chem Co Ltd | 放射線検出器 |
JP2016198680A (ja) * | 2011-08-04 | 2016-12-01 | ゼネラル・エレクトリック・カンパニイ | コリメータ |
WO2019021819A1 (ja) * | 2017-07-25 | 2019-01-31 | ソニーセミコンダクタソリューションズ株式会社 | 放射線検出装置 |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0312499D0 (en) * | 2003-05-31 | 2003-07-09 | Council Cent Lab Res Councils | Tomographic energy dispersive diffraction imaging system |
CN100416707C (zh) | 2003-06-01 | 2008-09-03 | 皇家飞利浦电子股份有限公司 | Ct扫描装置的抗散射x射线准直器 |
US20050017182A1 (en) * | 2003-07-25 | 2005-01-27 | Siemens Medical Solutions Usa, Inc. | Registered collimator device for nuclear imaging camera and method of forming the same |
US7254215B2 (en) * | 2003-10-28 | 2007-08-07 | Ge Medical Systems Global Technology Company, Llc | Systems and methods for reducing radiation dosage |
DE102004019972A1 (de) * | 2004-04-23 | 2005-11-17 | Siemens Ag | Detektormodul zur Erfassung von Röntgenstrahlung |
DE102004025119B4 (de) * | 2004-05-21 | 2012-08-02 | Siemens Ag | Röntgenstrahler |
CN101035464A (zh) * | 2004-10-06 | 2007-09-12 | 皇家飞利浦电子股份有限公司 | 计算层析成像方法 |
EP3114998A1 (en) | 2005-05-31 | 2017-01-11 | Arineta Ltd. | Graded resolution field of view ct scanner |
CN101262819B (zh) * | 2005-09-13 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | Ct散射的直接测量及校正 |
CN100510725C (zh) * | 2006-11-14 | 2009-07-08 | 北京国药恒瑞美联信息技术有限公司 | 用于消除散射辐射影响的虚拟滤线栅成像方法及其*** |
US20080118033A1 (en) * | 2006-11-16 | 2008-05-22 | General Electric Company | Antiscatter grid arrangement |
US8693621B2 (en) * | 2008-05-01 | 2014-04-08 | Koninklijke Philips N. V. | Source and/or detector positioning system |
US8873703B2 (en) * | 2008-05-08 | 2014-10-28 | Arineta Ltd. | X ray imaging system with scatter radiation correction and method of using same |
JP2010190830A (ja) * | 2009-02-20 | 2010-09-02 | Hamamatsu Photonics Kk | 放射線検出装置 |
DE102009052627B4 (de) * | 2009-11-10 | 2012-07-12 | Siemens Aktiengesellschaft | Streustrahlungskollimator und Verfahren zur Herstellung eines Streustrahlungskollimators |
EP2410358A1 (en) * | 2010-07-19 | 2012-01-25 | European Space Agency | Imaging optics and optical device for mapping a curved image field |
US20120087462A1 (en) * | 2010-10-12 | 2012-04-12 | Abdelaziz Ikhlef | Hybrid collimator for x-rays and method of making same |
US8822931B2 (en) * | 2010-11-23 | 2014-09-02 | Koninklijke Philips N.V. | PET detector modules utilizing overlapped light guides |
US8437451B2 (en) * | 2011-01-12 | 2013-05-07 | Panalytical B.V. | X-ray shutter arrangement |
JP5674507B2 (ja) * | 2011-02-28 | 2015-02-25 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 2次元コリメータモジュール、x線検出器、x線ct装置、2次元コリメータモジュールの組立て方法、および2次元コリメータ装置の製造方法。 |
CN103674979B (zh) * | 2012-09-19 | 2016-12-21 | 同方威视技术股份有限公司 | 一种行李物品ct安检***及其探测器装置 |
CN103330570B (zh) * | 2013-04-27 | 2016-06-08 | 中国人民解放军北京军区总医院 | X射线准直器、x射线准直***及移动ct扫描仪 |
EP2910189B1 (en) * | 2014-02-21 | 2016-09-14 | Samsung Electronics Co., Ltd | X-ray grid structure and x-ray apparatus including the same |
WO2016076824A1 (en) * | 2014-11-10 | 2016-05-19 | Halliburton Energy Services, Inc. | Energy detection apparatus, methods, and systems |
US9968314B1 (en) | 2015-04-14 | 2018-05-15 | Sebring Mechanical Design, Inc. | Steerable X-ray imaging detector module |
AT517438B1 (de) * | 2015-07-07 | 2018-10-15 | Alfred Dipl Ing Fuchs | Vorrichtung und verfahren zur detektion von strahlung |
US10646176B2 (en) * | 2015-09-30 | 2020-05-12 | General Electric Company | Layered radiation detector |
WO2017102831A1 (en) | 2015-12-15 | 2017-06-22 | Koninklijke Philips N.V. | Radiation detector with an anti-scatter grid |
US10952691B2 (en) * | 2016-06-10 | 2021-03-23 | Principle Imaging Corporation | Scanning digital fluoroscope comprising multiple radiographic image detectors arranged as spokes extending radially outwardly from a central rotational point on a rotational plate |
US10872701B2 (en) | 2016-06-10 | 2020-12-22 | Westinghouse Electric Company Llc | Zirconium-coated silicon carbide fuel cladding for accident tolerant fuel application |
DE102016226032A1 (de) | 2016-12-22 | 2018-06-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optische Anordnung zur Unterdrückung von Artefakten bei Röntgenuntersuchungen und Verfahren zu ihrer Herstellung |
CN117518282B (zh) * | 2023-11-09 | 2024-06-07 | 上海物影科技有限公司 | 一种小型化安检ct*** |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03120500A (ja) | 1989-10-04 | 1991-05-22 | Toshiba Corp | 多孔コリメータ及びその製造方法 |
US5799057A (en) * | 1996-12-26 | 1998-08-25 | General Electric Company | Collimator and detector for computed tomography systems |
US5949850A (en) | 1997-06-19 | 1999-09-07 | Creatv Microtech, Inc. | Method and apparatus for making large area two-dimensional grids |
JP2000093418A (ja) * | 1998-09-22 | 2000-04-04 | Toshiba Corp | X線検出装置およびx線イメージング装置 |
US6175615B1 (en) * | 1999-04-12 | 2001-01-16 | General Electric Company | Radiation imager collimator |
JP2001046364A (ja) | 1999-08-09 | 2001-02-20 | Hitachi Medical Corp | X線検出器及びこれを用いたx線ct装置 |
JP3987676B2 (ja) * | 2000-07-10 | 2007-10-10 | 株式会社日立メディコ | X線計測装置 |
DE10058810A1 (de) * | 2000-11-27 | 2002-06-06 | Philips Corp Intellectual Pty | Röntgendetektormodul |
-
2002
- 2002-09-04 US US10/526,736 patent/US7236560B2/en not_active Expired - Fee Related
- 2002-09-04 CN CNA028295420A patent/CN1672039A/zh active Pending
- 2002-09-04 WO PCT/IL2002/000729 patent/WO2004023123A1/en active Application Filing
- 2002-09-04 AU AU2002329029A patent/AU2002329029A1/en not_active Abandoned
- 2002-09-04 JP JP2004533795A patent/JP2005537846A/ja active Pending
- 2002-09-04 EP EP02765315A patent/EP1537407A1/en not_active Ceased
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007292597A (ja) * | 2006-04-25 | 2007-11-08 | Hitachi Chem Co Ltd | 放射線検出器 |
JP2016198680A (ja) * | 2011-08-04 | 2016-12-01 | ゼネラル・エレクトリック・カンパニイ | コリメータ |
WO2019021819A1 (ja) * | 2017-07-25 | 2019-01-31 | ソニーセミコンダクタソリューションズ株式会社 | 放射線検出装置 |
US11313980B2 (en) | 2017-07-25 | 2022-04-26 | Sony Semiconductor Solutions Corporation | Radiation detection apparatus |
Also Published As
Publication number | Publication date |
---|---|
WO2004023123A1 (en) | 2004-03-18 |
US7236560B2 (en) | 2007-06-26 |
US20060039527A1 (en) | 2006-02-23 |
AU2002329029A1 (en) | 2004-03-29 |
CN1672039A (zh) | 2005-09-21 |
EP1537407A1 (en) | 2005-06-08 |
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Legal Events
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A977 | Report on retrieval |
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